void Arguments::copyBackingStore(JSCell* cell, CopyVisitor& visitor, CopyToken token)
{
Arguments* thisObject = jsCast<Arguments*>(cell);
ASSERT_GC_OBJECT_INHERITS(thisObject, info());
switch (token) {
case ArgumentsSlowArgumentDataCopyToken: {
SlowArgumentData* slowArgumentData = thisObject->m_slowArgumentData.get();
if (!slowArgumentData)
return;
if (visitor.checkIfShouldCopy(slowArgumentData)) {
size_t bytes = SlowArgumentData::sizeForNumArguments(thisObject->m_numArguments);
SlowArgumentData* newSlowArgumentData = static_cast<SlowArgumentData*>(visitor.allocateNewSpace(bytes));
memcpy(newSlowArgumentData, slowArgumentData, bytes);
thisObject->m_slowArgumentData.setWithoutWriteBarrier(newSlowArgumentData);
visitor.didCopy(slowArgumentData, bytes);
}
return;
}
default:
return;
}
}
void MapData::copyBackingStore(JSCell* cell, CopyVisitor& visitor, CopyToken token)
{
MapData* thisObject = jsCast<MapData*>(cell);
if (token == MapBackingStoreCopyToken && visitor.checkIfShouldCopy(thisObject->m_entries)) {
Entry* oldEntries = thisObject->m_entries;
Entry* newEntries = static_cast<Entry*>(visitor.allocateNewSpace(thisObject->capacityInBytes()));
if (thisObject->shouldPack())
thisObject->replaceAndPackBackingStore(newEntries, thisObject->m_capacity);
else
thisObject->replaceBackingStore(newEntries, thisObject->m_capacity);
visitor.didCopy(oldEntries, thisObject->capacityInBytes());
}
Base::copyBackingStore(cell, visitor, token);
}
void Arguments::copyBackingStore(JSCell* cell, CopyVisitor& visitor, CopyToken token)
{
Arguments* thisObject = jsCast<Arguments*>(cell);
ASSERT_GC_OBJECT_INHERITS(thisObject, info());
switch (token) {
case ArgumentsRegisterArrayCopyToken: {
WriteBarrier<Unknown>* registerArray = thisObject->m_registerArray.get();
if (!registerArray)
return;
if (visitor.checkIfShouldCopy(registerArray)) {
size_t bytes = thisObject->registerArraySizeInBytes();
WriteBarrier<Unknown>* newRegisterArray = static_cast<WriteBarrier<Unknown>*>(visitor.allocateNewSpace(bytes));
memcpy(newRegisterArray, registerArray, bytes);
thisObject->m_registerArray.setWithoutWriteBarrier(newRegisterArray);
thisObject->m_registers = newRegisterArray - CallFrame::offsetFor(1) - 1;
visitor.didCopy(registerArray, bytes);
}
return;
}
case ArgumentsSlowArgumentDataCopyToken: {
SlowArgumentData* slowArgumentData = thisObject->m_slowArgumentData.get();
if (!slowArgumentData)
return;
if (visitor.checkIfShouldCopy(slowArgumentData)) {
size_t bytes = SlowArgumentData::sizeForNumArguments(thisObject->m_numArguments);
SlowArgumentData* newSlowArgumentData = static_cast<SlowArgumentData*>(visitor.allocateNewSpace(bytes));
memcpy(newSlowArgumentData, slowArgumentData, bytes);
thisObject->m_slowArgumentData.setWithoutWriteBarrier(newSlowArgumentData);
visitor.didCopy(slowArgumentData, bytes);
}
return;
}
default:
return;
}
}
